Diasa, I Wayan, I Soriarta, and Ida Bagus Suryawan. “ANALISA KEHILANGAN AIR ( NON REVENUED WATER ) PADA JARINGAN SISTEM PENYEDIAAN AIR MINUM (SPAM)”. Jurnal Teknik Gradien 11, no. 2 (November 5, 2019): 1-19. Accessed January 16, 2022. http://www.ojs.unr.ac.id/index.php/teknikgradien/article/view/277.